Ridged mug



FIG. 1 as a top, front perspective view of a ridged mug;

FIG. 2 is a bottom, front perspective view of a ridged mug;

FIG. 3 is a front elevation view of the ridged mug;

FIG. 4 is a rear elevation view of the ridged mug;

FIG. 5 is a left side elevation view of the ridged mug;

FIG. 6 is a right side elevation view of the ridged mug;

FIG. 7 is a top plan view of the ridged mug; and,

FIG. 8 is a bottom plan view of the ridged mug.

The broken lines, and the areas inside the broken lines, represent portions of the ridged mug that form no part of the claimed design. 

CLAIM The ornamental design for a ridged mug, as shown and described. 